You are a risk-neutral person, who has $1,000 to invest in one of the projects below. Which one should you choose? O A. 40% chance of getting 10% return, and 60% chance of getting 4% return. OB. 100% chance of getting 5% return. OC. 50% chance of getting 60% return, and 50% chance of losing your investment of $1,000. OD. 20% chance of getting 30% return, and 80% chance of getting 0% return. An individual's labour supply curve will be positively sloped: O A. when leisure is an inferior good. O B. if the substitution effect of a rising wage rate dominates the income effect. OC. if the income effect of a rising wage rate is greater than the substitution effect. OD. when wage levels are too high